Mating system and niche breadth in sister species of Erythronium in the Pacific Northwest: a study using Ecological Niche Modelling

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dc.contributor.authorQuayle, Spencer
dc.date.accessioned2026-02-09T18:23:37Z
dc.date.available2026-02-09T18:23:37Z
dc.date.issued2022
dc.description.abstractEcological niche models were used to compare the climatic niche breadths of Erythronium oregonum & Erythronium revolutum, sister species in the family Liliaceae native to western North America. The former is more outcrossing, while the latter is more inclined to self-pollinate. Herbarium records and iNaturalist data were compiled and fed into the niche modelling software Maxent. Analysis of the output reveals that the selfer, E. revolutum, occupies a broader niche than the outcrosser, E. oregonum. Further niche characterization demonstrates that the two sisters are divided in their climatic preferences and constraints, with E. revolutum favouring cooler, wetter, and less seasonal conditions. Possible reasons for this difference in niche breadth are discussed, although much historical, genetic, and biotic context remains open to further research.
dc.description.reviewstatusUnreviewed
dc.description.scholarlevelUndergraduate
dc.identifier.urihttps://hdl.handle.net/1828/23295
dc.language.isoen
dc.subject.departmentDepartment of Biology
dc.titleMating system and niche breadth in sister species of Erythronium in the Pacific Northwest: a study using Ecological Niche Modelling
dc.typeHonours thesis

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